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Clinical and demographics features of subjects
| Female | Male | P | |
|---|---|---|---|
| Number | 8 | 14 | |
| Mean age in years (SD) | 68.5 (6.7) | 76.8 (5.2) | 0.004 |
| Smoking history – yes (%) | 5 (50) | 8 (57.1) | 1 |
| Mean body mass index, kg/m2 (SD) | 27.1 (5.9) | 28.2 (3.3) | 0.602 |
| Antibiotic use in last 3 months –yes (%) | 4 (40) | 0 (0) | 0.024 |
